function indexPage(){}
indexPage.prototype = {
	launch: function(){
		if(window.addEventListener){
			window.addEventListener("load",IP.init,false);
		}else{
			window.attachEvent("onload",IP.init);
		}
	},
	init: function(){
		IP.hide();
		IP.handleEvent();
		IP.makeMenu();
	},
	hide: function(){
		document.getElementById("p2").style.display = "none";
		document.getElementById("p3").style.display = "none";
		document.getElementById("txtDesc2").style.display = "none";
		document.getElementById("txtDesc3").style.display = "none";
	},
	handleEvent: function(){
		if(window.addEventListener){
			document.getElementById("btnDesc1").addEventListener("click",IP.clothing,false);
			document.getElementById("btnDesc2").addEventListener("click",IP.clothing,false);
			document.getElementById("btnDesc3").addEventListener("click",IP.clothing,false);
		}else{
			document.getElementById("btnDesc1").attachEvent("onclick",IP.clothing);
			document.getElementById("btnDesc2").attachEvent("onclick",IP.clothing);
			document.getElementById("btnDesc3").attachEvent("onclick",IP.clothing);
		}
	},
	clothing: function(thisEvent){
		var thisBtn = (window.addEventListener)? thisEvent.target.id:window.event.srcElement.id;
		switch(thisBtn){
			case "btnDesc1":
				document.getElementById("btnDesc1").style.cssText = "background-color:#00409a;color:white";
				document.getElementById("btnDesc2").style.cssText = "background-color:white;color:black";
				document.getElementById("btnDesc3").style.cssText = "background-color:white;color:black";
				document.getElementById("p1").style.display = "inline";
				document.getElementById("p2").style.display = "none";
				document.getElementById("p3").style.display = "none";
				document.getElementById("txtDesc1").style.display = "block";
				document.getElementById("txtDesc2").style.display = "none";
				document.getElementById("txtDesc3").style.display = "none";
				break;
			case "btnDesc2":
				document.getElementById("btnDesc1").style.cssText = "background-color:white;color:black";
				document.getElementById("btnDesc2").style.cssText = "background-color:#00409a;color:white";
				document.getElementById("btnDesc3").style.cssText = "background-color:white;color:black";
				document.getElementById("p1").style.display = "none";
				document.getElementById("p2").style.display = "inline";
				document.getElementById("p3").style.display = "none";
				document.getElementById("txtDesc1").style.display = "none";
				document.getElementById("txtDesc2").style.display = "block";
				document.getElementById("txtDesc3").style.display = "none";
				break;
			case "btnDesc3":
				document.getElementById("btnDesc1").style.cssText = "background-color:white;color:black";
				document.getElementById("btnDesc2").style.cssText = "background-color:white;color:black";
				document.getElementById("btnDesc3").style.cssText = "background-color:#00409a;color:white";
				document.getElementById("p1").style.display = "none";
				document.getElementById("p2").style.display = "none";
				document.getElementById("p3").style.display = "inline";
				document.getElementById("txtDesc1").style.display = "none";
				document.getElementById("txtDesc2").style.display = "none";
				document.getElementById("txtDesc3").style.display = "block";
				break;
		}
	},
	makeMenu: function(){
		var cur = document.getElementById("currentItems");
		var objA = document.createElement("a");
		var objLi = document.createElement("li");
		objA.innerHTML = "残りを表示…";
		objA.href = "javascript:IP.showMenu()";
		objA.id = "showit";
		objLi.appendChild(objA);
		objLi.id = "itemsSwitch";
		cur.appendChild(objLi);
	},
	showMenu: function(){
		var rec = document.getElementById("recentItems");
		if(rec.style.display=="block"){
			rec.style.display = "none";
			document.getElementById("showit").innerHTML = "残りを表示…";
		}else{
			rec.style.display = "block";
			document.getElementById("showit").innerHTML = "表示を隠す";
		}
	}
}

function PRELOAD(){
	var picts = new Array(
		"image/btn-recenton.png"
	);
	for(var n=1; n<picts.length; n++){
		thePic = new Image();
		thePic.src = picts[n];
	}
}

var IP = new indexPage();
PRELOAD();
IP.launch();